This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A032110 #6 Mar 30 2012 17:37:01 %S A032110 0,1,1,4,11,71,372,2850,21121,191077,1793078,19037624,214051059, %T A032110 2628723267,34285658032,479609321326,7104125711717,111655209047393, %U A032110 1849927197690186,32289686161489668 %N A032110 "BIJ" (reversible, indistinct, labeled) transform of 0,1,1,1... %H A032110 C. G. Bower, <a href="/transforms2.html">Transforms (2)</a> %F A032110 (A032032(n) + 1)/2. %K A032110 nonn %O A032110 1,4 %A A032110 _Christian G. Bower_